From: kernel test robot <lkp@intel.com>
To: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Cc: oe-kbuild-all@lists.linux.dev, linux-leds@vger.kernel.org,
Lee Jones <lee@kernel.org>
Subject: [lee-leds:for-leds-next 3/10] drivers/leds/rgb/leds-lp5860-core.c:72:13: warning: variable 'ret' set but not used
Date: Sat, 10 Jan 2026 02:58:06 +0800 [thread overview]
Message-ID: <202601100247.wetiMFXE-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/lee/leds.git for-leds-next
head: e257dc532c20bd93f0076c18cb5ffd739a5f0bb4
commit: 51f7560294c911e9394357a903ffa28eebe4b253 [3/10] leds: Add support for TI LP5860 LED driver chip
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20260110/202601100247.wetiMFXE-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260110/202601100247.wetiMFXE-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601100247.wetiMFXE-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/leds/rgb/leds-lp5860-core.c: In function 'lp5860_led_init':
>> drivers/leds/rgb/leds-lp5860-core.c:72:13: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
72 | int ret;
| ^~~
vim +/ret +72 drivers/leds/rgb/leds-lp5860-core.c
66
67 static int lp5860_led_init(struct lp5860_led *led, struct fwnode_handle *fwnode,
68 unsigned int channel)
69 {
70 enum led_default_state default_state;
71 unsigned int brightness;
> 72 int ret;
73
74 ret = regmap_read(led->chip->regmap, LP5860_REG_PWM_BRI_START + channel, &brightness);
75
76 default_state = led_init_default_state_get(fwnode);
77
78 switch (default_state) {
79 case LEDS_DEFSTATE_ON:
80 led->brightness = LP5860_MAX_BRIGHTNESS;
81 break;
82 case LEDS_DEFSTATE_KEEP:
83 led->brightness = min(brightness, LP5860_MAX_BRIGHTNESS);
84 break;
85 default:
86 led->brightness = 0;
87 break;
88 }
89
90 return lp5860_set_mc_brightness(&led->mc_cdev.led_cdev, led->brightness);
91 }
92
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-01-09 18:58 UTC|newest]
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